tielu/database/seeds/TemplatePriceSeeder.php

<?php

use Illuminate\Database\Seeder;

class TemplatePriceSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        $template = \App\Models\TemplateInfoModel::all();
        foreach($template as $item) {
            \App\Models\TemplatePriceModel::firstOrCreate([
                'template_id' => $item->id,
                'add_day' => 7,
                'price' => $item->price
            ]);
        }
    }
}